Answer :
Answer:
.d. The equilibrium quantity would increase, and the effect on equilibrium price would be ambiguous.
Explanation:
The use of the machine would increase the supply of lattes and price falls. The supply curve would shift to the right. If scientists discover that coffees reduce heart attack, the demand for coffee would increase and price would increase. The demand curve would shift to the right.
The combined effect would be a rise in equilibrium quantity and an indeterminate effect on equilibrium price.
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